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A mountain road in Ethiopia, photo by Clay Knight/Unsplash

Ethnic Groups Make History

In his new book, historian James Quirin examines the oral traditions, cultural practices, and written records of the Beta Israel, a community of farmers and artisans who lived near the Ethiopian kingdom. Quirin uncovers a lively historical record, showing how small ethnic groups can create significant historical change.

Jaw bone of a gazelle from Jebel Irhoud, Morocco. Photo by Teresa Steele/UC Davis

How Are Ideas About Evolution Evolving? Part One

When and how did Homo sapiens become a species? What are the roles of subgroups and migration in human evolution? The first in a three-part series, this post reviews six main categories of human evolutionary change and considers how each of them might lead to unification and/or differentiation of the human species.

Photo of a lime quarry by Ivan Bandura

The Lithosphere

The extraction of minerals from the Earth today—the most dangerous change in our environmental crisis—is also essential to life as we know it. In a 2017 interview, ecological historian Gregory Cushman explains his work on humanity’s relationship with the lithosphere and provides valuable insights into this issue.

Photo by Iñaki del Olmo/Unsplash

The Case for ‘Bottom-Up’ History

The “bottom-up” approach to world history focuses on the most basic elements of human existence. It identifies problems and explores them through individual and group behavior, relying on multiple disciplines, especially anthropology. The objective is to link basic levels of society to the higher scales of activity. The work of E.P. Thompson provides valuable context.